🔥 Weekly Challenge

This Week's Hard Problem

2026-09-07 — 2026-09-13  ·  5 days left

+700 coins

for solving before week ends

Codeforces 2100

1606E · Arena

Solve this Codeforces problem before Sunday ends and earn 700 coins. No pressure on who finishes first — just get it done.

Open on Codeforces →
Solved This Week
🏆

No one has solved it yet

Be the first to crack this week's challenge and earn 700 coins.